kernel-packages team mailing list archive

["dave.muysson" <dave.muysson@xxxxxxxxx>]

Dan, I have run into this issue 4 times over the past few months, on two
separate servers running 3.13. I captured the kernel trace output of
each occurrence and can post them here if it would help. I have attached
the latest one, but there are 3 others I can provide as well.

Environment:
AWS EC2 Virtual Instance: r3.large
Ubuntu lts-trusty 3.13.0-53-generic (and) 3.13.0-45-generic.


** Attachment added: "ServerB-ubuntu-lts-trusty-3.13.0-53.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1497428/+attachment/4488905/+files/ServerB-ubuntu-lts-trusty-3.13.0-53.txt

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https://bugs.launchpad.net/bugs/1497428

Title:
  kernel BUG at /build/buildd/linux-3.13.0/mm/page_alloc.c:968

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Trusty:
  In Progress

Bug description:
  The kernel triggers a BUG when it finds it is in move_freepages() but
  the start and end pfns for the move are in different zones.

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